<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
    </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default{
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false // 轮播图停止自动滚动
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import "~styles/varibles.styl"
@import "~styles/mixins.styl"
  .icons >>> .swiper-container
    width:100%
    padding-bottom:50%
    height:0
    overflow:hidden
  .icons
    margin-top: .1rem
    .icon
        position relative
        float: left
        width: 25%
        padding-bottom: 25%
        height:0
        overflow: hidden
        .icon-img
          position absolute
          top:0
          left:0
          right:0
          bottom:.44rem
          padding .15rem
          .icon-img-content
            height 100%
            display block
            margin 0 auto
        .icon-desc
          color $darkTextColor
          position absolute
          left:0
          right:0
          bottom .15rem
          line-height .44rem
          height .44rem
          text-align center
          ellipsis()//引用styl自定义封装
</style>
